raniaqt raniaqt

15-01-2016
Mathematics

contestada

evaluate.

6{5(3-9)-1}+2 / 7(8-2)+4

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auntymac auntymac

15-01-2016

6 [ 5 (3 - 9) - 1 ] + 2
7 (8 - 2) + 4

6 [ 5 (-6) - 1 ] + 2
6 [ -30 - 1 ] + 2
6 ( -31) + 2
186 + 2 = 188

188
7 (8-2) + 4

7 (6) + 4
42 + 4 = 44

188 ÷ 4 = 47
44 11

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